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ira [324]
3 years ago
10

PLEASE I NEED HELP

Mathematics
1 answer:
drek231 [11]3 years ago
7 0

Answer:

A.

4x {}^{2}  +  \frac{3}{2} x - 7

Step-by-step explanation:

Add theses functions

\frac{x}{2}  - 3 + 4 {x}^{2}  + x - 4 \\ 4 {x}^{2}  +  \frac{3}{2} x - 7

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Write the equation in slope intercept form. what is the slope and y intercept. -9x+10y=-9
Svet_ta [14]
  • Slope-Intercept Form: y = mx + b, with m = slope and (0,b) as the y-intercept.

So firstly, add both sides by 9x: 10y=9x-9

Next, divide both sides by 10 and <u>your slope-intercept form is y=\frac{9}{10}x-\frac{9}{10}</u>

Now looking at our slope-intercept form equation, <u>the slope is 9/10 and the y-intercept is (0, -9/10).</u>

5 0
2 years ago
What is the answer please help?
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6 0
3 years ago
The sum of 3 consecutive numbers is 240 what are the 3 numbers?
TiliK225 [7]

Answer:

79, 80, 81

Step-by-step explanation:

<u>Creating an equation.</u>

let a = first number , a + 1 = second number and a + 2 = third number

the sum of these three consecutive numbers is 240

this means that , a + ( a + 1 ) + ( a + 2 ) = 240

<u>Solving for x using the equation created.</u>

a + ( a + 1 ) + ( a + 2 ) = 240

==> remove parenthesis

a + a + 1 + a + 2 = 240

==> combine like terms

3a + 3 = 240

==> subtract 3 from both sides

3a = 237

==> divide both sides by 3

a = 79

<u>Finding the 3 numbers</u>

First number = a

a = 79 so first = 79

Second number = a + 1

a = 79 so second number = 79 + 1 = 80

Third number = a + 2

a = 79 so third number = 79 + 2 = 81

The three numbers are 79, 80 and 81

3 0
2 years ago
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1572 divide 0.3 you must show all workings
Reptile [31]

Answer:

5240

Step-by-step explanation:

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3 years ago
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Misha Larkins [42]

Answer:

0

Step-by-step explanation:

1-1=0

7 0
3 years ago
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